Alaska Airlines flight AS 4020: Multiple routes

Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Daily 06:58 Fort Lauderdale (FLL) 3 09:19 Dallas Fort Worth (DFW)
AS 4020 Non-stop Airbus A321 (321) 3:21 Effective 2026-05-21 through 2026-07-01
Codeshare flight, operated by American Airlines.(AA 2558)
Daily 07:05 Fort Lauderdale (FLL) 3 09:19 Dallas Fort Worth (DFW)
AS 4020 Non-stop Airbus A321 (321) 3:14 Effective 2026-07-02 through 2026-08-04
Codeshare flight, operated by American Airlines.(AA 2558)
Daily 11:21 Philadelphia (PHL) F 12:55 Memphis (MEM)
AS 4020 Non-stop Canadair CRJ 700 (CR7) 2:34 Effective 2026-08-05 through 2026-09-08
Codeshare flight, operated by American Airlines.(AA 5040)
Daily 12:05 John Glenn Columbus (CMH) 14:00 Dallas Fort Worth (DFW)
AS 4020 Non-stop Boeing 737-800 (738) 2:55 Effective 2026-04-07 through 2026-05-20
Codeshare flight, operated by American Airlines.(AA 1565)
Daily 12:18 John Glenn Columbus (CMH) 14:00 Dallas Fort Worth (DFW)
AS 4020 Non-stop Boeing 737-800 (738) 2:42 Effective 2026-09-09 through 2026-10-04
Codeshare flight, operated by American Airlines.(AA 1565)
Daily 13:27 Memphis (MEM) 16:56 Philadelphia (PHL) F
AS 4020 Non-stop Canadair CRJ 700 (CR7) 2:29 Effective 2026-08-05 through 2026-09-08
Codeshare flight, operated by American Airlines.(AA 5040)
Daily 14:25 Cincinnati (CVG) 15:55 Dallas Fort Worth (DFW)
AS 4020 Non-stop Boeing 737-800 (738) 2:30 Effective from 2026-10-05
Codeshare flight, operated by American Airlines.(AA 3305)
Daily 19:01 Phoenix Sky Harbor (PHX) 4 23:59 Saint Louis (STL) 1
AS 4020 Non-stop Airbus A320 (320) 2:58 Effective 2026-03-08 through 2026-04-06
Codeshare flight, operated by American Airlines.(AA 2043)
Sat 19:52 Phoenix Sky Harbor (PHX) 4 23:50 Saint Louis (STL) 1
AS 4020 Non-stop Airbus A319 (319) 2:58 Effective 2026-02-14 through 2026-03-07
Codeshare flight, operated by American Airlines.(AA 2043)
Mon,Tue,Thu-Sun 19:56 Phoenix Sky Harbor (PHX) 4 23:51 Saint Louis (STL) 1
AS 4020 Non-stop Airbus A319 (319) 2:55 Valid until 2026-01-05
Codeshare flight, operated by American Airlines.(AA 2043)
Tue-Sun 20:06 Phoenix Sky Harbor (PHX) 4 23:59 Saint Louis (STL) 1
AS 4020 Non-stop Airbus A319 (319) 2:53 Effective 2026-01-06 through 2026-01-16
Codeshare flight, operated by American Airlines.(AA 2043)
Mon 20:06 Phoenix Sky Harbor (PHX) 4 23:59 Saint Louis (STL) 1
AS 4020 Non-stop Boeing 737 MAX 8 (7M8) 2:53 Operates only on 2026-01-12
Codeshare flight, operated by American Airlines.(AA 2043)
Mon-Thu,Sat,Sun 20:06 Phoenix Sky Harbor (PHX) 4 23:59 Saint Louis (STL) 1
AS 4020 Non-stop Airbus A319 (319) 2:53 Effective 2026-01-18 through 2026-01-29
Codeshare flight, operated by American Airlines.(AA 2043)
Fri 20:06 Phoenix Sky Harbor (PHX) 4 23:59 Saint Louis (STL) 1
AS 4020 Non-stop Boeing 737 MAX 8 (7M8) 2:53 Operates only on 2026-01-23
Codeshare flight, operated by American Airlines.(AA 2043)
Daily 20:06 Phoenix Sky Harbor (PHX) 4 23:59 Saint Louis (STL) 1
AS 4020 Non-stop Airbus A319 (319) 2:53 Effective 2026-01-30 through 2026-02-07
Codeshare flight, operated by American Airlines.(AA 2043)
Tue,Sun 20:06 Phoenix Sky Harbor (PHX) 4 23:59 Saint Louis (STL) 1
AS 4020 Non-stop Boeing 737 MAX 8 (7M8) 2:53 Effective 2026-02-08 through 2026-02-10
Codeshare flight, operated by American Airlines.(AA 2043)
Mon,Wed 20:06 Phoenix Sky Harbor (PHX) 4 23:59 Saint Louis (STL) 1
AS 4020 Non-stop Airbus A319 (319) 2:53 Effective 2026-02-09 through 2026-02-11
Codeshare flight, operated by American Airlines.(AA 2043)
Mon-Fri,Sun 20:12 Phoenix Sky Harbor (PHX) 4 00:05 Saint Louis (STL) 1
AS 4020 Non-stop Airbus A320 (320) 2:53 Effective 2026-02-12 through 2026-03-06
Codeshare flight, operated by American Airlines.(AA 2043)
The flight arrives 1 day after departure.
This flight number is listed as serving the following routes:


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Alaska Airlines flight AS 4020: Multiple routes
Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Alaska Airlines AS4020
06:58
Fort Lauderdale (FLL) 3

09:19
Dallas Fort Worth (DFW)
Effective 2026-05-21 through 2026-07-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2558)
Duration: 3:21, non-stop
Airbus A321 (321)
Direct Codeshare Flights:
Alaska Airlines AS4020
07:05
Fort Lauderdale (FLL) 3

09:19
Dallas Fort Worth (DFW)
Effective 2026-07-02 through 2026-08-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2558)
Duration: 3:14, non-stop
Airbus A321 (321)
Direct Codeshare Flights:
Alaska Airlines AS4020
11:21
Philadelphia (PHL) F

12:55
Memphis (MEM)
Effective 2026-08-05 through 2026-09-08
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 5040)
Duration: 2:34, non-stop
Canadair CRJ 700 (CR7)
Direct Codeshare Flights:
Alaska Airlines AS4020
12:05
John Glenn Columbus (CMH)

14:00
Dallas Fort Worth (DFW)
Effective 2026-04-07 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1565)
Duration: 2:55, non-stop
Boeing 737-800 (738)
Direct Codeshare Flights:
Alaska Airlines AS4020
12:18
John Glenn Columbus (CMH)

14:00
Dallas Fort Worth (DFW)
Effective 2026-09-09 through 2026-10-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1565)
Duration: 2:42, non-stop
Boeing 737-800 (738)
Direct Codeshare Flights:
Alaska Airlines AS4020
13:27
Memphis (MEM)

16:56
Philadelphia (PHL) F
Effective 2026-08-05 through 2026-09-08
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 5040)
Duration: 2:29, non-stop
Canadair CRJ 700 (CR7)
Direct Codeshare Flights:
Alaska Airlines AS4020
14:25
Cincinnati (CVG)

15:55
Dallas Fort Worth (DFW)
Effective from 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3305)
Duration: 2:30, non-stop
Boeing 737-800 (738)
Direct Codeshare Flights:
Alaska Airlines AS4020
19:01
Phoenix Sky Harbor (PHX) 4

23:59
Saint Louis (STL) 1
Effective 2026-03-08 through 2026-04-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2043)
Duration: 2:58, non-stop
Airbus A320 (320)
Direct Codeshare Flights:
Alaska Airlines AS4020
19:52
Phoenix Sky Harbor (PHX) 4

23:50
Saint Louis (STL) 1
Effective 2026-02-14 through 2026-03-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 2043)
Duration: 2:58, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
Alaska Airlines AS4020
19:56
Phoenix Sky Harbor (PHX) 4

23:51
Saint Louis (STL) 1
Valid until 2026-01-05
Mon
Tue
Wed
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2043)
Duration: 2:55, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
Alaska Airlines AS4020
20:06
Phoenix Sky Harbor (PHX) 4

23:59
Saint Louis (STL) 1
Effective 2026-01-06 through 2026-01-16
Mon
-
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2043)
Duration: 2:53, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
Alaska Airlines AS4020
20:06
Phoenix Sky Harbor (PHX) 4

23:59
Saint Louis (STL) 1
Operates only on 2026-01-12
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 2043)
Duration: 2:53, non-stop
Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Alaska Airlines AS4020
20:06
Phoenix Sky Harbor (PHX) 4

23:59
Saint Louis (STL) 1
Effective 2026-01-18 through 2026-01-29
Mon
Tue
Wed
Thu
Fri
-
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2043)
Duration: 2:53, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
Alaska Airlines AS4020
20:06
Phoenix Sky Harbor (PHX) 4

23:59
Saint Louis (STL) 1
Operates only on 2026-01-23
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 2043)
Duration: 2:53, non-stop
Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Alaska Airlines AS4020
20:06
Phoenix Sky Harbor (PHX) 4

23:59
Saint Louis (STL) 1
Effective 2026-01-30 through 2026-02-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2043)
Duration: 2:53, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
Alaska Airlines AS4020
20:06
Phoenix Sky Harbor (PHX) 4

23:59
Saint Louis (STL) 1
Effective 2026-02-08 through 2026-02-10
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 2043)
Duration: 2:53, non-stop
Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Alaska Airlines AS4020
20:06
Phoenix Sky Harbor (PHX) 4

23:59
Saint Louis (STL) 1
Effective 2026-02-09 through 2026-02-11
Mon
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 2043)
Duration: 2:53, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
Alaska Airlines AS4020
20:12
Phoenix Sky Harbor (PHX) 4

00:05(+1)
Saint Louis (STL) 1
Effective 2026-02-12 through 2026-03-06
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 2043)
Duration: 2:53, non-stop
Airbus A320 (320)
The flight arrives 1 day after departure.
This flight number is listed as serving the following routes:
  • Cincinnati (CVG) - Dallas Fort Worth (DFW)
  • Fort Lauderdale (FLL) - Dallas Fort Worth (DFW)
  • John Glenn Columbus (CMH) - Dallas Fort Worth (DFW)
  • Memphis (MEM) - Philadelphia (PHL)
  • Phoenix Sky Harbor (PHX) - Saint Louis (STL)
All Alaska Airlines flights
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